To enable cheats, find the "config.cfg" file in the game install directory, open it with Notepad and add the following line:
KEY "cheats" BOOL TRUE

Save the changes, start the game and enter the following codes in the console window (press [Shif+[~] to bring it up):

Note: In order to generate the config.cfg file, you must run, and *save* settings with the configuration tool. If not, this file won't exist.

Code - Result:

godmode - God Mode
quickvictory - Win Mission
quicklose - Lose Mission
destroyobj - Destroy Objects
visibility - Show Visible Area
hitpoints - Show Hit Points
allplans - Show Paths
enemies - Show Enemies
unitsahidden - See Through Units
quickabsolutevictory - Win Mission w/ Items
canparalyse - Remove Paralysing Effects
cancontrol - Remove Mind Control
flare Flare - Around Squad
scenemode - Cycle Textures


On the Global Strategic View:

Code - Result:

ALLITEMS - All Weapons
HIREUNIT - Add New Member
FINISHRD - Complete Research